Lubricant feeder



1.1 is a front elevation view of a lubricant feeder showing our new design;

1.2 is a rear elevation view thereof;

1.3 is a left side elevation view thereof;

1.4 is a right side elevation view thereof;

1.5 is a top plan view thereof;

1.6 is a bottom plan view thereof;

1.7 is a top left front perspective view thereof;

1.8 is a top left front perspective view thereof, shown with some environmental structure removed;

1.9 is a top plan view thereof.

The broken lines shown in the reproductions depict environmental structure or portions of the lubricant feeder and form no part of the claimed design. 

CLAIM The ornamental design for lubricant feeder, as shown and described. 